itkMorphologicalWatershedFromMarkersImageFilter.h

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/*=========================================================================
 *
 *  Copyright NumFOCUS
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         https://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#ifndef itkMorphologicalWatershedFromMarkersImageFilter_h
#define itkMorphologicalWatershedFromMarkersImageFilter_h
 
#include "itkImageToImageFilter.h"
 
namespace itk
{
template <typename TInputImage, typename TLabelImage>
class ITK_TEMPLATE_EXPORT MorphologicalWatershedFromMarkersImageFilter
  : public ImageToImageFilter<TInputImage, TLabelImage>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(MorphologicalWatershedFromMarkersImageFilter);
 
  using Self = MorphologicalWatershedFromMarkersImageFilter;
  using Superclass = ImageToImageFilter<TInputImage, TLabelImage>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;
 
  using InputImageType = TInputImage;
  using LabelImageType = TLabelImage;
  using InputImagePointer = typename InputImageType::Pointer;
  using InputImageConstPointer = typename InputImageType::ConstPointer;
  using InputImageRegionType = typename InputImageType::RegionType;
  using InputImagePixelType = typename InputImageType::PixelType;
  using LabelImagePointer = typename LabelImageType::Pointer;
  using LabelImageConstPointer = typename LabelImageType::ConstPointer;
  using LabelImageRegionType = typename LabelImageType::RegionType;
  using LabelImagePixelType = typename LabelImageType::PixelType;
 
  using IndexType = typename LabelImageType::IndexType;
 
  static constexpr unsigned int ImageDimension = TInputImage::ImageDimension;
 
  itkNewMacro(Self);
 
  itkOverrideGetNameOfClassMacro(MorphologicalWatershedFromMarkersImageFilter);
 
  void
  SetMarkerImage(const TLabelImage * input)
  {
    // Process object is not const-correct so the const casting is required.
    this->SetNthInput(1, const_cast<TLabelImage *>(input));
  }
 
  const LabelImageType *
  GetMarkerImage() const
  {
    return itkDynamicCastInDebugMode<LabelImageType *>(const_cast<DataObject *>(this->ProcessObject::GetInput(1)));
  }
 
  void
  SetInput1(const TInputImage * input)
  {
    this->SetInput(input);
  }
 
  void
  SetInput2(const TLabelImage * input)
  {
    this->SetMarkerImage(input);
  }
 
  itkSetMacro(FullyConnected, bool);
  itkGetConstReferenceMacro(FullyConnected, bool);
  itkBooleanMacro(FullyConnected);
  itkSetMacro(MarkWatershedLine, bool);
  itkGetConstReferenceMacro(MarkWatershedLine, bool);
  itkBooleanMacro(MarkWatershedLine);
protected:
  MorphologicalWatershedFromMarkersImageFilter();
  ~MorphologicalWatershedFromMarkersImageFilter() override = default;
  void
  PrintSelf(std::ostream & os, Indent indent) const override;
 
  void
  GenerateInputRequestedRegion() override;
 
  void
  EnlargeOutputRequestedRegion(DataObject * itkNotUsed(output)) override;
 
  void
  GenerateData() override;
 
private:
  bool m_FullyConnected{ false };
 
  bool m_MarkWatershedLine{ true };
}; // end of class
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkMorphologicalWatershedFromMarkersImageFilter.hxx"
#endif
 
#endif